Back End Engineer maintaining and improving Perl - based systems at Netcraft. Work includes developing product features and ensuring operational reliability within a hybrid setup.
About the role
- Senior Software Engineer developing backend services for AI workloads at Union. Collaborating across cloud environments and optimizing performance for high-throughput systems.
Responsibilities
- Design, build, and operate backend services in Go that handle high-throughput, latency-sensitive workloads.
- Optimize system performance across compute, memory, and network dimensions—identifying bottlenecks and implementing measurable improvements
- Build and maintain integrations with AWS, GCP, and Azure, abstracting cloud-specific complexity behind clean interfaces.
- Architect systems that run reliably across multiple cloud providers, handling the nuances of each platform.
- Collaborate with ML engineers and platform teams to understand workload characteristics and design systems that meet their needs.
- Participate in on-call rotations and incident response, continuously improving system reliability.
- Influence technical direction through design documents, code reviews, and mentorship.
Requirements
- 5+ years of experience building production backend systems, with strong proficiency in Go.
- Demonstrated experience designing and operating large-scale distributed systems (high availability, fault tolerance, horizontal scaling).
- Deep understanding of performance optimization—you can profile code, interpret flame graphs, and reason about latency at the p99 level.
- Significant experience with multiple major cloud providers (AWS, GCP, Azure), including compute, networking, and IAM.
- Familiarity with Kubernetes, container orchestration, and cloud-native patterns.
- Strong communication skills and a collaborative approach to problem-solving.
- If in the Seattle/Bellevue area, you will be expected to be in-office, in a hybrid schedule.
Benefits
- Excellent medical - We pay 100% of your premiums and 90% for your dependents
- Generous dental and vision plans- We pay 90% of the premiums for you and your dependents
- Meaningful equity in the form of options – all employees are owners here
- Unlimited time off + 12 company holidays
- 401K match - Union.ai matches 100% of contributions up to the first 3%, and 50% up to 5%
- 16 weeks paid parental leave for primary and secondary caregivers
- Flexible work schedule (some restrictions apply)
- For in office employees: Lunch provided onsite and well stocked kitchen with snacks and drinks.
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